Unit
Notes - 2
3. Expected
Hemoglobin F levels versus age:
Birth =
4 months =
6 – 12 months
=
Adult =
4. Elevated levels of Hb F seen in:
Hereditary
persistence of fetal hemoglobin
Sickle cell
anemia
Acquired
aplastic anemia
Megaloblastic
anemia
65 – 95%
10%
<2%
<2%
PNH
Leukemia
b-thalassemia